080B0000
Safety Input Error
Omron · NJ/NX-series Machine Automation Controller
What does 080B0000 mean?
One or both of the photocouplers for safety inputs 1 and 2 have transitioned to an OFF state, triggering a safety error. This typically indicates an issue with the safety circuit integrity, such as a physical cable problem.
Common Causes
- Safety input cable for inputs 1 or 2 is disconnected
- Safety input cable for inputs 1 or 2 is broken
Repair Steps & Checklist
Click steps to track your progress.
- 1
Visually inspect the cables connected to safety inputs 1 and 2 for physical damage or disconnections.
- 2
Measure continuity of the safety input cables for inputs 1 and 2.
Verified technical data. Last updated: March 2026
Related Faults
Source: Omron NJ/NX-series Machine Automation Controller